Element block pseudo-element :after generated with overflow hidden z-index auto border 0px rgba(0,0,0,1) solid transform box-sizing content-box padding 20px background transition display block border-radius cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px position static line-height 1 height auto float none width 160px font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px